<!DOCTYPE html>
<html style="-webkit-writing-mode:vertical-rl;-webkit-text-orientation:sideways-right;text-rendering:optimizeLegibility">
<body>
You should see this text when printed.
<br>
Vertical text on the right.
<br>
<iframe src="./iframe-subframe.html" frameborder="1" width="200"></iframe>
</body>
</html>
